87702745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 121080960

約数和(自身を除く): 33378215

約数列:

[1, 5, 13, 17, 65, 85, 139, 221, 571, 695, 1105, 1807, 2363, 2855, 7423, 9035, 9707, 11815, 30719, 37115, 48535, 79369, 126191, 153595, 396845, 630955, 1031797, 1349273, 5158985, 6746365, 17540549, 87702745]

約数ペア:

[(1, 87702745), (5, 17540549), (13, 6746365), (17, 5158985), (65, 1349273), (85, 1031797), (139, 630955), (221, 396845), (571, 153595), (695, 126191), (1105, 79369), (1807, 48535), (2363, 37115), (2855, 30719), (7423, 11815), (9035, 9707)]